Home / 7,800.28-10,764.46-4,263.70

Finding the Fourth Proportional to 7,800.28, 10,764.46 and 4,263.70

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Solution

The fourth proportional to 7,800.28, 10,764.46 and 4,263.70 is: 5,883.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,800.28 : 10,764.46 = 4,263.70 : x
  2. Step 2: Convert to fraction form
    7,800.28/10,764.46 = 4,263.70/x
  3. Step 3: Cross multiply
    7,800.28x = 10,764.46 × 4,263.70
  4. Step 4: Simplify right side
    7,800.28x = 45,896,428.10
  5. Step 5: Solve for x
    x = 45,896,428.10/7,800.28
  6. Step 6: Final answer
    x = 5,883.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.